1 /**************************************************************************
3 * Copyright 2009 Younes Manton.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 /* directly referenced from target Makefile, because of X dependencies */
30 #include <sys/types.h>
34 #include <X11/Xlib-xcb.h>
35 #include <X11/extensions/dri2tokens.h>
42 #include "pipe/p_screen.h"
43 #include "pipe/p_context.h"
44 #include "pipe/p_state.h"
45 #include "pipe-loader/pipe_loader.h"
46 #include "state_tracker/drm_driver.h"
48 #include "util/u_memory.h"
49 #include "util/u_hash.h"
50 #include "util/u_hash_table.h"
51 #include "util/u_inlines.h"
53 #include "vl/vl_compositor.h"
54 #include "vl/vl_winsys.h"
58 struct vl_screen base
;
59 xcb_connection_t
*conn
;
60 xcb_drawable_t drawable
;
62 unsigned width
, height
;
65 uint32_t buffer_names
[2];
66 struct u_rect dirty_areas
[2];
69 xcb_dri2_swap_buffers_cookie_t swap_cookie
;
70 xcb_dri2_wait_sbc_cookie_t wait_cookie
;
71 xcb_dri2_get_buffers_cookie_t buffers_cookie
;
73 int64_t last_ust
, ns_frame
, last_msc
, next_msc
;
76 static const unsigned int attachments
[1] = { XCB_DRI2_ATTACHMENT_BUFFER_BACK_LEFT
};
79 vl_dri2_handle_stamps(struct vl_dri_screen
* scrn
,
80 uint32_t ust_hi
, uint32_t ust_lo
,
81 uint32_t msc_hi
, uint32_t msc_lo
)
83 int64_t ust
= ((((uint64_t)ust_hi
) << 32) | ust_lo
) * 1000;
84 int64_t msc
= (((uint64_t)msc_hi
) << 32) | msc_lo
;
86 if (scrn
->last_ust
&& scrn
->last_msc
&& (ust
> scrn
->last_ust
) && (msc
> scrn
->last_msc
))
87 scrn
->ns_frame
= (ust
- scrn
->last_ust
) / (msc
- scrn
->last_msc
);
93 static xcb_dri2_get_buffers_reply_t
*
94 vl_dri2_get_flush_reply(struct vl_dri_screen
*scrn
)
96 xcb_dri2_wait_sbc_reply_t
*wait_sbc_reply
;
103 scrn
->flushed
= false;
105 free(xcb_dri2_swap_buffers_reply(scrn
->conn
, scrn
->swap_cookie
, NULL
));
107 wait_sbc_reply
= xcb_dri2_wait_sbc_reply(scrn
->conn
, scrn
->wait_cookie
, NULL
);
110 vl_dri2_handle_stamps(scrn
, wait_sbc_reply
->ust_hi
, wait_sbc_reply
->ust_lo
,
111 wait_sbc_reply
->msc_hi
, wait_sbc_reply
->msc_lo
);
112 free(wait_sbc_reply
);
114 return xcb_dri2_get_buffers_reply(scrn
->conn
, scrn
->buffers_cookie
, NULL
);
118 vl_dri2_flush_frontbuffer(struct pipe_screen
*screen
,
119 struct pipe_resource
*resource
,
120 unsigned level
, unsigned layer
,
121 void *context_private
, struct pipe_box
*sub_box
)
123 struct vl_dri_screen
*scrn
= (struct vl_dri_screen
*)context_private
;
124 uint32_t msc_hi
, msc_lo
;
128 assert(context_private
);
130 free(vl_dri2_get_flush_reply(scrn
));
132 msc_hi
= scrn
->next_msc
>> 32;
133 msc_lo
= scrn
->next_msc
& 0xFFFFFFFF;
135 scrn
->swap_cookie
= xcb_dri2_swap_buffers_unchecked(scrn
->conn
, scrn
->drawable
, msc_hi
, msc_lo
, 0, 0, 0, 0);
136 scrn
->wait_cookie
= xcb_dri2_wait_sbc_unchecked(scrn
->conn
, scrn
->drawable
, 0, 0);
137 scrn
->buffers_cookie
= xcb_dri2_get_buffers_unchecked(scrn
->conn
, scrn
->drawable
, 1, 1, attachments
);
139 scrn
->flushed
= true;
140 scrn
->current_buffer
= !scrn
->current_buffer
;
144 vl_dri2_destroy_drawable(struct vl_dri_screen
*scrn
)
146 xcb_void_cookie_t destroy_cookie
;
147 if (scrn
->drawable
) {
148 free(vl_dri2_get_flush_reply(scrn
));
149 destroy_cookie
= xcb_dri2_destroy_drawable_checked(scrn
->conn
, scrn
->drawable
);
150 /* ignore any error here, since the drawable can be destroyed long ago */
151 free(xcb_request_check(scrn
->conn
, destroy_cookie
));
156 vl_dri2_set_drawable(struct vl_dri_screen
*scrn
, Drawable drawable
)
161 if (scrn
->drawable
== drawable
)
164 vl_dri2_destroy_drawable(scrn
);
166 xcb_dri2_create_drawable(scrn
->conn
, drawable
);
167 scrn
->current_buffer
= false;
168 vl_compositor_reset_dirty_area(&scrn
->dirty_areas
[0]);
169 vl_compositor_reset_dirty_area(&scrn
->dirty_areas
[1]);
170 scrn
->drawable
= drawable
;
173 struct pipe_resource
*
174 vl_screen_texture_from_drawable(struct vl_screen
*vscreen
, Drawable drawable
)
176 struct vl_dri_screen
*scrn
= (struct vl_dri_screen
*)vscreen
;
178 struct winsys_handle dri2_handle
;
179 struct pipe_resource
template, *tex
;
181 xcb_dri2_get_buffers_reply_t
*reply
;
182 xcb_dri2_dri2_buffer_t
*buffers
, *back_left
;
188 vl_dri2_set_drawable(scrn
, drawable
);
189 reply
= vl_dri2_get_flush_reply(scrn
);
191 xcb_dri2_get_buffers_cookie_t cookie
;
192 cookie
= xcb_dri2_get_buffers_unchecked(scrn
->conn
, drawable
, 1, 1, attachments
);
193 reply
= xcb_dri2_get_buffers_reply(scrn
->conn
, cookie
, NULL
);
198 buffers
= xcb_dri2_get_buffers_buffers(reply
);
204 for (i
= 0; i
< reply
->count
; ++i
) {
205 if (buffers
[i
].attachment
== XCB_DRI2_ATTACHMENT_BUFFER_BACK_LEFT
) {
206 back_left
= &buffers
[i
];
211 if (i
== reply
->count
) {
216 if (reply
->width
!= scrn
->width
|| reply
->height
!= scrn
->height
) {
217 vl_compositor_reset_dirty_area(&scrn
->dirty_areas
[0]);
218 vl_compositor_reset_dirty_area(&scrn
->dirty_areas
[1]);
219 scrn
->width
= reply
->width
;
220 scrn
->height
= reply
->height
;
222 } else if (back_left
->name
!= scrn
->buffer_names
[scrn
->current_buffer
]) {
223 vl_compositor_reset_dirty_area(&scrn
->dirty_areas
[scrn
->current_buffer
]);
224 scrn
->buffer_names
[scrn
->current_buffer
] = back_left
->name
;
227 memset(&dri2_handle
, 0, sizeof(dri2_handle
));
228 dri2_handle
.type
= DRM_API_HANDLE_TYPE_SHARED
;
229 dri2_handle
.handle
= back_left
->name
;
230 dri2_handle
.stride
= back_left
->pitch
;
232 memset(&template, 0, sizeof(template));
233 template.target
= PIPE_TEXTURE_2D
;
234 template.format
= PIPE_FORMAT_B8G8R8X8_UNORM
;
235 template.last_level
= 0;
236 template.width0
= reply
->width
;
237 template.height0
= reply
->height
;
239 template.array_size
= 1;
240 template.usage
= PIPE_USAGE_DEFAULT
;
241 template.bind
= PIPE_BIND_RENDER_TARGET
;
244 tex
= scrn
->base
.pscreen
->resource_from_handle(scrn
->base
.pscreen
, &template, &dri2_handle
);
251 vl_screen_get_dirty_area(struct vl_screen
*vscreen
)
253 struct vl_dri_screen
*scrn
= (struct vl_dri_screen
*)vscreen
;
255 return &scrn
->dirty_areas
[scrn
->current_buffer
];
259 vl_screen_get_timestamp(struct vl_screen
*vscreen
, Drawable drawable
)
261 struct vl_dri_screen
*scrn
= (struct vl_dri_screen
*)vscreen
;
262 xcb_dri2_get_msc_cookie_t cookie
;
263 xcb_dri2_get_msc_reply_t
*reply
;
267 vl_dri2_set_drawable(scrn
, drawable
);
268 if (!scrn
->last_ust
) {
269 cookie
= xcb_dri2_get_msc_unchecked(scrn
->conn
, drawable
);
270 reply
= xcb_dri2_get_msc_reply(scrn
->conn
, cookie
, NULL
);
273 vl_dri2_handle_stamps(scrn
, reply
->ust_hi
, reply
->ust_lo
,
274 reply
->msc_hi
, reply
->msc_lo
);
278 return scrn
->last_ust
;
282 vl_screen_set_next_timestamp(struct vl_screen
*vscreen
, uint64_t stamp
)
284 struct vl_dri_screen
*scrn
= (struct vl_dri_screen
*)vscreen
;
286 if (stamp
&& scrn
->last_ust
&& scrn
->ns_frame
&& scrn
->last_msc
)
287 scrn
->next_msc
= ((int64_t)stamp
- scrn
->last_ust
+ scrn
->ns_frame
/2) / scrn
->ns_frame
+ scrn
->last_msc
;
293 vl_screen_get_private(struct vl_screen
*vscreen
)
298 static xcb_screen_t
*
299 get_xcb_screen(xcb_screen_iterator_t iter
, int screen
)
301 for (; iter
.rem
; --screen
, xcb_screen_next(&iter
))
309 vl_screen_create(Display
*display
, int screen
)
311 struct vl_dri_screen
*scrn
;
312 const xcb_query_extension_reply_t
*extension
;
313 xcb_dri2_query_version_cookie_t dri2_query_cookie
;
314 xcb_dri2_query_version_reply_t
*dri2_query
= NULL
;
315 xcb_dri2_connect_cookie_t connect_cookie
;
316 xcb_dri2_connect_reply_t
*connect
= NULL
;
317 xcb_dri2_authenticate_cookie_t authenticate_cookie
;
318 xcb_dri2_authenticate_reply_t
*authenticate
= NULL
;
319 xcb_screen_iterator_t s
;
320 xcb_generic_error_t
*error
= NULL
;
322 int fd
, device_name_length
;
323 unsigned int driverType
;
329 scrn
= CALLOC_STRUCT(vl_dri_screen
);
333 scrn
->conn
= XGetXCBConnection(display
);
337 xcb_prefetch_extension_data(scrn
->conn
, &xcb_dri2_id
);
339 extension
= xcb_get_extension_data(scrn
->conn
, &xcb_dri2_id
);
340 if (!(extension
&& extension
->present
))
343 dri2_query_cookie
= xcb_dri2_query_version (scrn
->conn
, XCB_DRI2_MAJOR_VERSION
, XCB_DRI2_MINOR_VERSION
);
344 dri2_query
= xcb_dri2_query_version_reply (scrn
->conn
, dri2_query_cookie
, &error
);
345 if (dri2_query
== NULL
|| error
!= NULL
|| dri2_query
->minor_version
< 2)
348 s
= xcb_setup_roots_iterator(xcb_get_setup(scrn
->conn
));
350 driverType
= XCB_DRI2_DRIVER_TYPE_DRI
;
351 #ifdef DRI2DriverPrimeShift
353 char *prime
= getenv("DRI_PRIME");
355 unsigned int primeid
;
357 primeid
= strtoul(prime
, NULL
, 0);
360 ((primeid
& DRI2DriverPrimeMask
) << DRI2DriverPrimeShift
);
365 connect_cookie
= xcb_dri2_connect_unchecked(scrn
->conn
, get_xcb_screen(s
, screen
)->root
, driverType
);
366 connect
= xcb_dri2_connect_reply(scrn
->conn
, connect_cookie
, NULL
);
367 if (connect
== NULL
|| connect
->driver_name_length
+ connect
->device_name_length
== 0)
370 device_name_length
= xcb_dri2_connect_device_name_length(connect
);
371 device_name
= CALLOC(1, device_name_length
+ 1);
374 memcpy(device_name
, xcb_dri2_connect_device_name(connect
), device_name_length
);
375 fd
= loader_open_device(device_name
);
381 if (drmGetMagic(fd
, &magic
))
384 authenticate_cookie
= xcb_dri2_authenticate_unchecked(scrn
->conn
, get_xcb_screen(s
, screen
)->root
, magic
);
385 authenticate
= xcb_dri2_authenticate_reply(scrn
->conn
, authenticate_cookie
, NULL
);
387 if (authenticate
== NULL
|| !authenticate
->authenticated
)
388 goto free_authenticate
;
390 #if GALLIUM_STATIC_TARGETS
391 scrn
->base
.pscreen
= dd_create_screen(fd
);
393 if (pipe_loader_drm_probe_fd(&scrn
->base
.dev
, fd
))
394 scrn
->base
.pscreen
= pipe_loader_create_screen(scrn
->base
.dev
, PIPE_SEARCH_DIR
);
395 #endif // GALLIUM_STATIC_TARGETS
397 if (!scrn
->base
.pscreen
)
400 scrn
->base
.pscreen
->flush_frontbuffer
= vl_dri2_flush_frontbuffer
;
401 vl_compositor_reset_dirty_area(&scrn
->dirty_areas
[0]);
402 vl_compositor_reset_dirty_area(&scrn
->dirty_areas
[1]);
412 #if !GALLIUM_STATIC_TARGETS
414 pipe_loader_release(&scrn
->base
.dev
, 1);
415 #endif // !GALLIUM_STATIC_TARGETS
429 void vl_screen_destroy(struct vl_screen
*vscreen
)
431 struct vl_dri_screen
*scrn
= (struct vl_dri_screen
*)vscreen
;
436 free(xcb_dri2_swap_buffers_reply(scrn
->conn
, scrn
->swap_cookie
, NULL
));
437 free(xcb_dri2_wait_sbc_reply(scrn
->conn
, scrn
->wait_cookie
, NULL
));
438 free(xcb_dri2_get_buffers_reply(scrn
->conn
, scrn
->buffers_cookie
, NULL
));
441 vl_dri2_destroy_drawable(scrn
);
442 scrn
->base
.pscreen
->destroy(scrn
->base
.pscreen
);
443 #if !GALLIUM_STATIC_TARGETS
444 pipe_loader_release(&scrn
->base
.dev
, 1);
445 #endif // !GALLIUM_STATIC_TARGETS